| Andrew Bunney | Director | 7 Sept 2000 | 27 Feb 2004 | British | 69 years |
| Andrew Edward Heathcock | Director | 2 Jul 1998 | 2 Nov 1998 | British | 75 years |
| Anthony Alfredo Belisario | Director | 12 Mar 2008 | 9 Jul 2010 | British | 76 years |
| Christopher John Cundy | Director | 2 Nov 1998 | 13 Dec 2007 | British | 65 years |
| David Jack Hobbs | Director | 15 Sept 2006 | 12 Mar 2008 | British | 74 years |
| Franco Martinelli | Director | 9 Jul 2010 | 6 Dec 2017 | British | 66 years |
| Geoffrey Mark Charles | Director | 1 Mar 2002 | 5 Sept 2007 | British | 64 years |
| Matthew Paul Jowett | Director | 5 Sept 2007 | 9 Jul 2010 | British | 59 years |
| Matthew Paul Jowett | Secretary | 3 May 2005 | 9 Jul 2010 | British | - |
| Michael Charles Burnham | Director | 9 Feb 2001 | 22 Mar 2006 | British | 70 years |
| Nicholas James William Borrett | Secretary | 27 Jul 2012 | 25 Feb 2013 | - | - |
| Peter Graham Dawes | Secretary | 2 Nov 1998 | 3 May 2005 | British | - |
| Peter Mcintosh | Director | 27 Feb 2004 | 31 Jan 2006 | British | 68 years |
| Philip James Harrison | Director | 13 Dec 2007 | 9 Jul 2010 | British | 65 years |
| Robert Drennan Mulligan | Director | 2 Nov 1998 | 7 Sept 2000 | British | 76 years |
| Sean Paul Davies | Secretary | 2 Jul 1998 | 2 Nov 1998 | British | - |
| Valerie Francine Anne Teller | Secretary | 9 Jul 2010 | 27 Jul 2012 | - | - |
| William Tame | Director | 9 Jul 2010 | 17 Dec 2014 | British | 72 years |